version: '3'

networks:
  webproxy:
    external: true

  backend-codimd:
    external: true

services:
  database:
    # Don't upgrade PostgreSQL by simply changing the version number
    # You need to migrate the Database to the new PostgreSQL version
    image: postgres:9.6-alpine
    container_name: codimd-db
    #mem_limit: 256mb         # version 2 only
    #memswap_limit: 512mb     # version 2 only
    #read_only: true          # not supported in swarm mode please enable along with tmpfs
    #tmpfs:
    #  - /run/postgresql:size=512K
    #  - /tmp:size=256K
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      - POSTGRES_DB=${POSTGRES_DB}
    volumes:
      - /opt/appdata/codimd/db:/var/lib/postgresql/data
    networks:
      - backend-codimd
    restart: always

  app:
    image: quay.io/codimd/server:1.6.0
    container_name: codimd-app
    #mem_limit: 256mb         # version 2 only
    #memswap_limit: 512mb     # version 2 only
    #read_only: true          # not supported in swarm mode, enable along with tmpfs
    #tmpfs:
    #  - /tmp:size=512K
    #  - /codimd/tmp:size=1M
    #  # Make sure you remove this when you use filesystem as upload type
    #  - /codimd/public/uploads:size=10M
    environment:
      # DB_URL is formatted like: <databasetype>://<username>:<password>@<hostname>:<port>/<database>
      # Other examples are:
      # - mysql://hackmd:hackmdpass@database:3306/hackmd
      # - sqlite:///data/sqlite.db (NOT RECOMMENDED)
      # - For details see the official sequelize docs: http://docs.sequelizejs.com/en/v3/
      - CMD_DB_URL=postgres://${POSTGRES_USER}:${POSTGRES_PASSWORD}@${POSTGRES_DB}:5432/hackmd
    # ports:
      # Ports that are published to the outside.
      # The latter port is the port inside the container. It should always stay on 3000
      # If you only specify a port it'll published on all interfaces. If you want to use a
      # local reverse proxy, you may want to listen on 127.0.0.1.
      # Example:
      # - "127.0.0.1:3000:3000"
      # - "3000:3000"
    networks:
      - webproxy
      - backend-codimd
    restart: always
    depends_on:
      - database